<ui:composition xmlns="http://www.w3.org/1999/xhtml"
	xmlns:ui="http://java.sun.com/jsf/facelets"
	xmlns:h="http://java.sun.com/jsf/html"
	xmlns:f="http://java.sun.com/jsf/core"
	xmlns:p="http://primefaces.org/ui"
	template="../templates/ui.xhtml">

	<ui:define name="content">
		<h1 class="title ui-widget-header ui-corner-all">Tree - Multiple Selection</h1>
		<div class="entry">
			<p>Node selection is a built-in feature and support three different modes, "single", "multiple" and "checkbox.</p>
			
			<h:form>
			
				<p:growl id="messages" showDetail="true" />

				<p:tree value="#{treeBean.root}" var="node"
						selectionMode="multiple"
						selection="#{treeBean.selectedNodes}">

					<p:treeNode>
						<h:outputText value="#{node}" />
					</p:treeNode>
				</p:tree>
				
				<p:commandButton value="Display Selected" update="messages" style="margin:20px 0 20px 0;"
								actionListener="#{treeBean.displaySelectedMultiple}"/>
				
			</h:form>
			
			<h3>Source</h3>			
			<p:tabView>
				<p:tab title="treeSelectionMultiple.xhtml">
					<pre name="code" class="xml">
&lt;h:form&gt;

	&lt;p:growl id="messages" showDetail="true" /&gt;

	&lt;p:tree value="\#{treeBean.root}" var="node"
		selectionMode="multiple" selection="\#{treeBean.selectedNodes}"&gt;

		&lt;p:treeNode&gt;
			&lt;h:outputText value="\#{node}" /&gt;
		&lt;/p:treeNode&gt;
	&lt;/p:tree&gt;
	
	&lt;p:commandButton value="Display Selected" update="messages"
		actionListener="\#{treeBean.displaySelectedMultiple}" /&gt;
	
&lt;/h:form&gt;
					</pre>
				</p:tab>
				
				<p:tab title="TreeBean.java">
					<pre name="code" class="java">
package org.primefaces.examples.view;

import java.io.Serializable;

import javax.faces.application.FacesMessage;
import javax.faces.context.FacesContext;
import javax.faces.event.ActionEvent;

import org.primefaces.model.DefaultTreeNode;
import org.primefaces.model.TreeNode;

public class TreeBean implements Serializable {
	
	private TreeNode root;
	
	private TreeNode[] selectedNodes;

	public TreeBean() {
		root = new DefaultTreeNode("Root", null);
		TreeNode node0 = new DefaultTreeNode("Node 0", root);
		TreeNode node1 = new DefaultTreeNode("Node 1", root);
		TreeNode node2 = new DefaultTreeNode("Node 2", root);
		
		TreeNode node00 = new DefaultTreeNode("Node 0.0", node0);
		TreeNode node01 = new DefaultTreeNode("Node 0.1", node0);
		
		TreeNode node10 = new DefaultTreeNode("Node 1.0", node1);
		TreeNode node11 = new DefaultTreeNode("Node 1.1", node1);
		
		TreeNode node000 = new DefaultTreeNode("Node 0.0.0", node00);
		TreeNode node001 = new DefaultTreeNode("Node 0.0.1", node00);
		TreeNode node010 = new DefaultTreeNode("Node 0.1.0", node01);
		
		TreeNode node100 = new DefaultTreeNode("Node 1.0.0", node10);
	}

	public TreeNode getRoot() {
		return root;
	}
	
	public TreeNode[] getSelectedNodes() {
		return selectedNodes;
	}

	public void setSelectedNodes(TreeNode[] selectedNodes) {
		this.selectedNodes = selectedNodes;
	}
	
	public void displaySelectedMultiple(ActionEvent event) {
        if(selectedNodes != null &amp;&amp; selectedNodes.length > 0) {
            StringBuilder builder = new StringBuilder();

            for(TreeNode node : selectedNodes) {
                builder.append(node.getData().toString());
                builder.append("&lt;br /&gt;");
            }

            FacesMessage message = new FacesMessage(FacesMessage.SEVERITY_INFO, "Selected", builder.toString());

            FacesContext.getCurrentInstance().addMessage(null, message);
        }
	}
}
					</pre>
				</p:tab>
			</p:tabView>

            </div>
	</ui:define>
</ui:composition>